/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.model.actor.knownlist;

import net.sf.l2j.gameserver.ai.CtrlEvent;
import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.ai.L2CharacterAI;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.actor.L2Character;
import net.sf.l2j.gameserver.model.actor.instance.L2MonsterInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;

public class MonsterKnownList extends AttackableKnownList
{
    public MonsterKnownList(L2MonsterInstance activeChar)
    {
        super(activeChar);
    }
    
    @Override
	public boolean addKnownObject(L2Object object)
    {
		if (!super.addKnownObject(object))
			return false;
		
		final L2CharacterAI ai = getActiveChar().getAI(); // force AI creation

        // Set the L2MonsterInstance Intention to AI_INTENTION_ACTIVE if the state was AI_INTENTION_IDLE
        if (object instanceof L2PcInstance && ai != null && ai.getIntention() == CtrlIntention.AI_INTENTION_IDLE)
        	ai.setIntention(CtrlIntention.AI_INTENTION_ACTIVE, null);
        
        return true;
    }

    @Override
	protected boolean removeKnownObject(L2Object object, boolean forget)
	{
		if (!super.removeKnownObject(object, forget))
			return false;

        if (!(object instanceof L2Character))
        	return true;

        // Notify the L2MonsterInstance AI with EVT_FORGET_OBJECT
        if (getActiveChar().hasAI())
            getActiveChar().getAI().notifyEvent(CtrlEvent.EVT_FORGET_OBJECT, object);
        
        // Clear the _aggroList of the L2MonsterInstance
        if (getActiveChar().isVisible() && getKnownPlayers().isEmpty() && getKnownSummons().isEmpty())
            getActiveChar().clearAggroList();

        return true;
    }
    
    @Override
	public final L2MonsterInstance getActiveChar() 
    { 
    	return (L2MonsterInstance)super.getActiveChar(); 
    }
}